Zelio Logic Modular Smart Relay, 26 IO, 100-240V AC
Zelio Logic Modular Smart Relay, 26 IO, 100-240V AC
Zelio Logic Modular Smart Relay, 26 IO, 100-240V AC
Zelio Logic Modular Smart Relay, 26 IO, 100-240V AC
Zelio Logic Modular Smart Relay, 26 IO, 100-240V AC
Schneider Electric

Schneider Electric SR3B261FU Zelio Logic Modular Smart Relay, 26 IO, 100-240V AC

  • MPN: SR3B261FU
  • PPN: SCH-SR3B261FU
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    $460.12

    / EA

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    Spec sheet

    Description

    This Zelio Logic SR3 compact smart relay / programmable controller uses a supply voltage of 100V-240V alternating current. It has 26 inputs / outputs with screw-clamp terminals. It has compact design, allowing installation on DIN rail. It also offers simple programming, display and diagnosing of malfunctions display and navigation buttons. Its simple ladder programming makes it adapted for non-specialists.

    Features

    • Engineered with a robust high-density configuration, this Zelio Logic smart relay features 26 integrated I/O points, consisting of 16 discrete inputs and 10 normally-open (NO) relay outputs. This comprehensive capacity allows control engineers to consolidate multiple sensors, limit switches, and actuators into a single compact housing, reducing total panel space and eliminating the need for costly external expansion modules.
    • Operating on a wide rated supply voltage range of 100V to 240V AC (with physical tolerances spanning 85V to 264V at 50/60 Hz), this programmable logic controller runs directly on standard plant power. Industrial electricians can seamlessly wire 100-240V AC discrete inputs without installing extra step-down transformers or external power supplies, significantly minimizing points of failure and accelerating installation time.
    • Designed with an onboard local LCD display and diagnostic navigation buttons, this unit allows for real-time monitoring of control schemes directly at the machine face. Supporting up to 500 lines of Function Block Diagram (FBD) programming or 240 lines of traditional Ladder Logic, it gives automation technicians the flexibility to troubleshoot processes, force inputs, and adjust variables without dragging a laptop onto the factory floor.
    • Featuring a compact, low-profile footprint that snaps directly onto a standard 35mm DIN rail or mounts via retractable screw lugs, this controller integrates perfectly into crowded electrical enclosures. To satisfy stringent regulatory audits and corporate safety mandates, the unit carries full UL, CSA, C-Tick, and GL compliance certifications, guaranteeing reliable performance under harsh electromagnetic interference and vibration-heavy processing environments.

    Documentation & Downloads

    Specifications

    Additional

    Supply Voltage
    85-264 V AC
    Maximum Supply Current
    100 mA 100 V without extension, 50 mA 240 V without extension, 60 mA 240 V with extension, 80 mA 100 V with extension
    Isolation Voltage
    1780 V
    Discrete Input Voltage
    100-240 V AC
    Discrete Input Frequency
    47-53 Hz, 57-63 Hz
    Voltage State 0 Guaranteed
    <= 40 V discrete input
    Current State 0 Guaranteed
    <= 0.5 mA discrete input
    Number of Outputs
    10 relay
    Output Thermal Current
    5 A for 2 outputs relay, 8 A for 8 outputs relay
    Backup Time
    10 years at 25 C
    Response Time
    50 ms ladder discrete input, 10 ms relay output
    Overvoltage Category
    III IEC 60664-1
    Ambient Temperature for Operation
    -20 to 55 C (-4 to 131 F)
    Operating Altitude
    2000 m (6561.68 ft)
    Relative Humidity
    95% without condensation
    Electrical Durability
    500,000 cycles relay output (AC-12, AC-15, DC-12, DC-13)
    Tightening Torque
    0.5 N.m (4.43 lbf.in)
    Product Certifications
    GOST, GL, CSA, UL, C-Tick
    Mercury Free
    Yes
    Mounting
    DIN rail (35 mm)
    Programming Type
    Ladder programming, FBD
    Supply Frequency50/60 Hz
    Power Consumption12 VA without extension, 17 VA with extension
    Discrete Inputs16
    Discrete Input Current0.6 mA
    Voltage State 1 Guaranteed>= 79 V discrete input
    Current State 1 Guaranteed>= 0.17 mA discrete input
    Input Impedance350 kOhm discrete input
    Output Voltage Limits5-30 V DC relay output, 24-250 V AC
    Cycle Time6-90 ms
    Clock Drift12 min/year (0 to 55 C), 6 s/month at 25 C
    Rated Impulse Withstand Voltage4 kV EN/IEC 60947-1, EN/IEC 60664-1
    IP Degree of ProtectionIP20 terminal block, IP40 front panel
    Ambient Temperature for Storage-40 to 70 C (-40 to 158 F)
    Maximum Altitude Transport3048 m (10000 ft)
    Mechanical Durability10,000,000 cycles relay output
    Connection TypeScrew terminals, 1 x 0.2-2.5 mm2 solid/semi-solid, 1 x 0.25-2.5 mm2 flexible with cable end
    MaterialPVC free
    Standards ComplianceIEC 61000, IEC 60068, EN 55022-11, IEC 61131-2
    Warranty18 months
    DisplayLocal display with navigation buttons
    Product Weight0.4 kg (0.88 lb)

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